Machine learning method is based on a large number of data and algorithm models, and analyzes and solves problems through automatic learning and prediction. It is suitable for processing large-scale data sets and the discovery of complex patterns, especially for processing structured data and quantitative analysis. Machine learning method can provide efficient data processing and forecasting ability, and is suitable for quantitative research and forecasting analysis.

Qualitative research methods mainly focus on understanding and exploring the deep connotation and complexity of the problem, and obtain data through in-depth interviews and text analysis of a few cases or individuals. Qualitative research methods are suitable for studying subjective and complex problems and can provide rich descriptive and explanatory research results. Qualitative research methods emphasize the in-depth understanding of the research object and the exploration of the meaning behind it, which is suitable for exploratory research and theoretical construction.